Other methods for reducing quicksilver are given below.
Big-bellied
pots, having been placed in the upper rectangular open part of a furnace,
are filled with the crushed ore. Each of these pots is covered with a lid
with a long nozzle—commonly called a campana—in the shape of a bell, and
they are cemented. Each of the small earthenware vessels shaped like a
gourd receives two of these nozzles, and these are likewise cemented. Dried
pots, having been placed in the upper rectangular open part of a furnace,
are filled with the crushed ore. Each of these pots is covered with a lid
with a long nozzle—commonly called a campana—in the shape of a bell, and
they are cemented. Each of the small earthenware vessels shaped like a
gourd receives two of these nozzles, and these are likewise cemented. Dried
A—POTS. B—OPERCULA. C—NOZZLES. D—GOURD-SHAPED
EARTHENWARE VESSELS.
wood having been placed in the lower part of the furnace and kindled, the
ore is heated until all the quicksilver has risen into the operculum which is
over the pot; it then flows from the nozzle and is caught in the earthenware
gourd-shaped vessel.
wood having been placed in the lower part of the furnace and kindled, the
ore is heated until all the quicksilver has risen into the operculum which is
over the pot; it then flows from the nozzle and is caught in the earthenware
gourd-shaped vessel.